The bullwhip effect is a distribution channel phenomenon in which demand forecasts result in inefficiencies in the supply chain. (Got this off from Wikipedia)
I want to say Suspicion because with the limited amount of test subjects, She may doubt her conclusions as there were not enough data or subjects to give an accurate result.
I don't understand what's language is this
Strong and unique is something that is not a meaning of crucial weak is your weak and crucial is also weak so if you want the right stament then write a paper about weak and not strong and unique